Far-infrared emission from parabolically graded quantum wells

被引：29
作者：
Maranowski, KD
Gossard, AC
Unterrainer, K
Gornik, E
机构：
[1] VIENNA TECH UNIV,INST FESTKORPERELEKT,A-1040 VIENNA,AUSTRIA
[2] UNIV CALIF SANTA BARBARA,DEPT MAT,SANTA BARBARA,CA 93106
来源：
APPLIED PHYSICS LETTERS | 1996年 / 69卷 / 23期
关键词：
D O I：
10.1063/1.117232
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have observed grating coupled far infrared (FIR) emission from parabolically graded quantum wells (PQWs) by the application of an in-plane electric field. The peak emission frequency from different wells matches the designed harmonic oscillator frequency for each well, as determined by the curvature of the PQWs. This is a confirmation that the generalized Kohn theorem applies for emission of FIR radiation. (C) 1996 American Institute of Physics.
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页码：3522 / 3524
页数：3
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